Home / 236,411.20-354,616.80-231,745.60

Finding the Fourth Proportional to 236,411.20, 354,616.80 and 231,745.60

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Solution

The fourth proportional to 236,411.20, 354,616.80 and 231,745.60 is: 347,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,411.20 : 354,616.80 = 231,745.60 : x
  2. Step 2: Convert to fraction form
    236,411.20/354,616.80 = 231,745.60/x
  3. Step 3: Cross multiply
    236,411.20x = 354,616.80 × 231,745.60
  4. Step 4: Simplify right side
    236,411.20x = 82,180,883,086.08
  5. Step 5: Solve for x
    x = 82,180,883,086.08/236,411.20
  6. Step 6: Final answer
    x = 347,618.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.